Loan Amortization Calculator Use this calculator to calculate a loan amount based on your desired monthly payment or to calculate a monthly payment based on a loan amount. Mortgage Calculator Use this calculator to view the total interest and total payment for a mortgage based on the loan amount, years of payments, and annual interest rate you enter. Loan Calculator Use this calculator to view the total interest and total payment for a mortgage based on the loan amount, years of payments, and annual interest rate you enter. Auto Loan Payment Calculator Use this calculator to calculate an auto loan amount based on your desired monthly payment or to calculate a monthly payment based on an auto loan amount. Retirement Income Planner Use this calculator to evaluate your retirement income plan. Minimum IRA Distribution Use this calculator to determine the amount that the federal government requires you to withdraw annually from your IRA. Social Security Calculator Estimate your Social Security benefits using the Social Security Administration's Quick Calculator. Investment Needed to Achieve Goal Use this calculator to determine the investment needed to achieve your goal. Paycheck Calculator - Hourly This calculator computes gross and net pay for an hourly paycheck and displays the various withholdings. Paycheck Calculator - Salaried This calculator computes net or gross pay for a single paycheck and displays the various withholdings.